/*
 *	This file is part of Lounge-Cast.
 *
 *  Author:  	Markus Moormann
 *	E-mail:  	mmoorman@uni-osnabrueck.de
 *	Copyright:	University of Osnabrueck (Zentrum Virtuos)
 * 	Website:	www.uni-osnabrueck.de
 *	Date:		16.02.2011
 *
 *	Lounge-Cast is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *	Lounge-Cast is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with Lounge-Cast.  If not, see <http://www.gnu.org/licenses/>.
 */
package multimedia.view.renderer
{
	import multimedia.model.vo.PlaylistVO;

	import mx.controls.listClasses.ListData;
	import mx.controls.listClasses.ListItemRenderer;

	public class PlaylistVORenderer extends ListItemRenderer
	{
		public function PlaylistVORenderer()
		{
			super();
		}

		// Override the updateDisplayList() method 
		// to set the text for each tree node.      
		override protected function updateDisplayList(unscaledWidth:Number, unscaledHeight:Number):void
		{
			super.updateDisplayList(unscaledWidth, unscaledHeight);
			if (super.data)
			{
				super.label.text = ListData(super.listData).label;
				super.toolTip = getInheritedPlaylistString(data as PlaylistVO);
			}
		}

		private function getInheritedPlaylistString(playlist:PlaylistVO, step:uint = 0):String
		{
			if (playlist != null)
			{
				var tabs:String = (step == 0 ? "" : "\n");
				for (var i:uint = 0; i < step; i++)
				{
					tabs += "\t";
				}
				return tabs + playlist.description + getInheritedPlaylistString(playlist.inheritance_from, step + 1);
			}
			return "";
		}

	}
}